23 results on '"metal-containing monomers"'
Search Results
2. High-Strength, Self-Healing Copolymers of Acrylamide and Acrylic Acid with Co(II), Ni(II), and Cu(II) Complexes of 4′-Phenyl-2,2′:6′,2″-terpyridine: Preparation, Structure, Properties, and Autonomous and pH-Triggered Healing.
- Author
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Sorin, Evgeny S., Baimuratova, Rose K., Zhidkov, Mikhail V., Bubnova, Maria L., Perepelitsina, Evgeniya O., Abukaev, Ainur F., Anokhin, Denis V., Ivanov, Dmitry A., and Dzhardimalieva, Gulzhian I.
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ACRYLIC acid , *DYNAMIC mechanical analysis , *SMALL-angle X-ray scattering , *FOURIER transform infrared spectroscopy , *SUPRAMOLECULAR polymers , *X-ray scattering - Abstract
The utilization of self-healing polymers is a promising way of solving problems associated with the wear and tear of polymer products, such as those caused by mechanical stress or environmental factors. In this study, a series of novel self-healing, high-strength copolymers of acrylamide, acrylic acid, and novel acrylic complexes of 4′-phenyl-2,2′:6′,2″-terpyridine [Co(II), Ni(II), and Cu(II)] was prepared. A systematic study of the composition and properties of the obtained polymers was carried out using a variety of physicochemical techniques (elemental analysis, gel permeation chromatography (GPC), attenuated total reflectance Fourier transform infrared spectroscopy (ATR/FT-IR), ultraviolet-visible spectroscopy (UV-vis), small-angle X-ray scattering (SAXS), wide-angle X-ray scattering (WAXS), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), dynamic mechanical analysis (DMA), confocal laser scanning microscopy (CLSM), and tensile testing). All metallopolymer samples exhibit autonomous intrinsic healing along with maintaining high tensile strength values (for some samples, the initial tensile strength exceeded 100 MPa). The best values of healing efficiency are possessed by metallopolymers with a nickel complex (up to 83%), which is most likely due to the highest lability of the metal–heteroatom coordination bonds. The example of this system shows the ability to re-heal with negligible deterioration of the mechanical properties. The possibility of tuning the mechanical properties of self-healing films through the use of different metal ions has been demonstrated. [ABSTRACT FROM AUTHOR] more...
- Published
- 2024
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Catalog
3. Preparation of Reactive Indicator Papers Based on Silver-Containing Nanocomposites for the Analysis of Chloride Ions.
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Gorbunova, Marina O., Uflyand, Igor E., Zhinzhilo, Vladimir A., Zarubina, Anastasiya O., Kolesnikova, Tatiana S., Spirin, Maxim G., and Dzhardimalieva, Gulzhian I.
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CHLORIDE ions ,ION analysis ,NANOCOMPOSITE materials ,GAS well drilling ,CHLORINE ,SILVER nanoparticles ,ANALYTICAL chemistry - Abstract
In recent decades, metal-containing nanocomposites have attracted considerable attention from researchers. In this work, for the first time, a detailed analysis of the preparation of reactive indicator papers (RIPs) based on silver-containing nanocomposites derived from silver fumarate was carried out. Thermolysis products are silver-containing nanocomposites containing silver nanoparticles uniformly distributed in a stabilizing carbon matrix. The study of the optical properties of silver-containing nanocomposites made it possible to outline the prospects for their application in chemical analysis. RIPs were made by impregnating a cellulose carrier with synthesized silver fumarate-derived nanocomposites, which change their color when interacting with chlorine vapor. This made it possible to propose a method for the determination of chloride ions with preliminary oxidation to molecular chlorine, which is then separated from the solution by gas extraction. The subsequent detection of the active zone of RIPs using colorimetry makes it possible to identify mathematical dependences of color coordinates on the concentration of chloride ions. The red (R) color coordinate in the RGB (red-green-blue) system was chosen as the most sensitive and promising analytical signal. Calibration plots of exponential and linear form and their equations are presented. The limit of detection is 0.036 mg/L, the limits of quantification are 0.15–2.4 mg/L, and the time of a single determination is 25 min. The prospects of the developed technique have been successfully shown in the example of the analysis of the natural waters of the Don River, pharmaceuticals, and food products. [ABSTRACT FROM AUTHOR] more...
- Published
- 2023
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4. New Self-Healing Metallosupramolecular Copolymers with a Complex of Cobalt Acrylate and 4′-Phenyl-2,2′:6′,2″-terpyridine.
- Author
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Sorin, Evgeny S., Baimuratova, Rose K., Uflyand, Igor E., Perepelitsina, Evgeniya O., Anokhin, Denis V., Ivanov, Dmitry A., and Dzhardimalieva, Gulzhian I.
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COPOLYMERS , *COBALT , *SELF-healing materials , *ELASTIC modulus , *AMIDES , *ACRYLIC acid , *ACRYLAMIDE - Abstract
Currently, the chemistry of self-healing polymers is aimed not only at obtaining materials with high self-healing efficiency, but also at improving their mechanical performance. This paper reports on a successful attempt to obtain self-healing copolymers films of acrylic acid, acrylamide and a new metal-containing complex of cobalt acrylate with a 4′-phenyl-2,2′:6′,2″-terpyridine ligand. Samples of the formed copolymer films were characterized by ATR/FT-IR and UV-vis spectroscopy, elemental analysis, DSC and TGA, SAXS, WAXS and XRD studies. The incorporation of the metal-containing complex directly into the polymer chain results in an excellent tensile strength (122 MPa) and modulus of elasticity (4.3 GPa) of the obtained films. The resulting copolymers demonstrated self-healing properties both at acidic pH (assisted by HCl healing) with effective preservation of mechanical properties, and autonomously in a humid atmosphere at room temperature without the use of initiators. At the same time, with a decrease in the content of acrylamide, a decrease in the reducing properties was observed, possibly due to an insufficient amount of amide groups to form hydrogen bonds through the interface with terminal carboxyl groups, as well as a decrease in the stability of complexes in samples with a high content of acrylic acid. [ABSTRACT FROM AUTHOR] more...
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- 2023
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5. Silver Itaconate as Single-Source Precursor of Nanocomposites for the Analysis of Chloride Ions.
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Kolesnikova, Tatiana S., Zarubina, Anastasiya O., Gorbunova, Marina O., Zhinzhilo, Vladimir A., Dzhardimalieva, Gulzhian I., and Uflyand, Igor E.
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CHLORINE , *CHLORIDE ions , *ION analysis , *ENERGY dispersive X-ray spectroscopy , *NANOCOMPOSITE materials , *ATOMIC force microscopy , *TRANSMISSION electron microscopy - Abstract
At present, conjugated thermolysis of metal-containing monomers is widely used as single-source precursors to obtain new metal- and metal oxide-containing nanocomposites. In this study, a detailed analysis of the main stages of conjugated thermolysis of silver itaconate was carried out. The obtained nanocomposites containing silver nanoparticles are evenly distributed in a stabilizing carbon matrix. The structural characteristics and properties of the resulting nanomaterials were studied using X-ray diffraction (XRD), atomic force microscopy (AFM), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy dispersive X-ray spectroscopy (EDS). We have developed a method of test analysis of chlorides using paper modified with the obtained silver-containing nanocomposites. The analysis technique is based on the in situ conversion of chlorides to molecular chlorine, its dynamic release, and colorimetric detection using NP-modified paper test strips. A simple installation device is described that allows this combination to be realized. The proposed approach seems promising for nanoparticle-based determinations of other analytes that can be converted into volatile derivatives. [ABSTRACT FROM AUTHOR] more...
- Published
- 2022
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6. Preparation of Reactive Indicator Papers Based on Silver-Containing Nanocomposites for the Analysis of Chloride Ions
- Author
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Marina O. Gorbunova, Igor E. Uflyand, Vladimir A. Zhinzhilo, Anastasiya O. Zarubina, Tatiana S. Kolesnikova, Maxim G. Spirin, and Gulzhian I. Dzhardimalieva
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nanocomposites ,metal-containing monomers ,reactive indicator paper ,chloride ions ,analysis ,Mechanical engineering and machinery ,TJ1-1570 - Abstract
In recent decades, metal-containing nanocomposites have attracted considerable attention from researchers. In this work, for the first time, a detailed analysis of the preparation of reactive indicator papers (RIPs) based on silver-containing nanocomposites derived from silver fumarate was carried out. Thermolysis products are silver-containing nanocomposites containing silver nanoparticles uniformly distributed in a stabilizing carbon matrix. The study of the optical properties of silver-containing nanocomposites made it possible to outline the prospects for their application in chemical analysis. RIPs were made by impregnating a cellulose carrier with synthesized silver fumarate-derived nanocomposites, which change their color when interacting with chlorine vapor. This made it possible to propose a method for the determination of chloride ions with preliminary oxidation to molecular chlorine, which is then separated from the solution by gas extraction. The subsequent detection of the active zone of RIPs using colorimetry makes it possible to identify mathematical dependences of color coordinates on the concentration of chloride ions. The red (R) color coordinate in the RGB (red-green-blue) system was chosen as the most sensitive and promising analytical signal. Calibration plots of exponential and linear form and their equations are presented. The limit of detection is 0.036 mg/L, the limits of quantification are 0.15–2.4 mg/L, and the time of a single determination is 25 min. The prospects of the developed technique have been successfully shown in the example of the analysis of the natural waters of the Don River, pharmaceuticals, and food products. more...
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- 2023
- Full Text
- View/download PDF
7. Catalytic activities of heterogeneous catalysts obtained by copolymerization of metal-containing 2-(acetoacetoxy)ethyl methacrylate
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Romanazzi Giuseppe, Mastrorilli Piero, Latronico Mario, Mali Matilda, Nacci Angelo, and DelľAnna Maria Michela
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supported transition metal catalysts ,heterogeneous catalysts ,metal-containing monomers ,metal-containing polymers ,reductions ,oxidations ,c-c bond forming reactions ,Chemistry ,QD1-999 - Abstract
Among the synthetic strategies commonly used for supporting a metal complex onto an organic polymer in order to obtain an heterogenous catalyst, a valid choice is to synthesize a metal containing monomer (MCM), which can subsequently be subjected to polymerization with suitable comonomers and crosslinkers, achieving a supported transition metal catalyst as a metal-containing polymer (MCP). In this context, during the last two decades, we explored the use of 2-(acetoacetoxy)ethyl methacrylate (HAAEMA) as a ligand to prepare several MCMs for the relevant MCPs. In this review we summarize and discuss our developments in the studies of the catalytic activity of these “hybrid” catalysts. These catalysts have demonstrated high efficiency and/or excellent selectivity in several kinds of chemical reactions and very often they could be recovered and reused in multiple cycles maintaining their activity and selectivity without suffering from appreciable metal leaching. more...
- Published
- 2018
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8. Block Copolymers by Anionic Polymerization: Recent Synthetic Routes and Developments
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Theodosopoulos, Georgios, Pitsikalis, Marinos, Hadjichristidis, Nikos, editor, and Hirao, Akira, editor
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- 2015
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9. Thermolysis of Metallopolymers and Their Precursors as a Way for Synthesis of Nanocomposites
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Pomogailo, Anatolii D., Dzhardimalieva, Gulzhian I., Pomogailo, Anatolii D., and Dzhardimalieva, Gulzhian I.
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- 2014
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10. Evaluation of conversion during the synthesis of aluminum (III) methacrylate-based copolymers using Raman spectroscopy and multivariate curve resolution.
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Ferreira, Gabriella R., Soares, Frederico L.F., Carneiro, Renato L., Umpierre, Alexandre P., and Machado, Fabricio
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RAMAN spectroscopy , *ALUMINUM compounds , *INDUSTRIAL applications , *CHEMICALS , *CHEMICAL processes - Abstract
The present work addresses the use of Raman spectroscopy and multivariate curve resolution–alternating least squares (MCR-ALS) for the evaluation of the reaction conversion in copolymerization of aluminum (III) methacrylate and vinyl monomers (vinyl acetate, ethyl acrylate and methyl methacrylate). For the synthesis of these materials, pseudo-dispersion copolymerizations were carried out in a reaction medium containing 17 wt.% of aluminum (III) methacrylate [Al(III)MA] and 83 wt.% of vinyl monomers, such as vinyl acetate (VAc), ethyl acrylate (EA) and methyl methacrylate (MMA). Raman spectra were acquired at different reaction times for each monomer used. We used multivariate curve resolution (MCR-ALS) in order to evaluate the reaction conversion and the concentration profiles. The concentration profile of VAc/Al(III)MA reaction shows that the polymerization occurs slowly, in which the conversion stabilizes after 15 h of reaction. The concentration profile of EA/Al(III)MA copolymerization shows that high conversions are achieved in a short reaction time. However, as the reaction proceeds (between 4 and 12 h), it is possible to observe a decrease of the reaction rate, which is an indication that the modified monomer is polymerizing. The concentration profile of MMA/Al(III)MA copolymerization shows a high conversion in the first 2 h of reaction, indicating a possible low incorporation of the modified metal monomer into the growing copolymer chains, due to the differences of reactivity between the monomer species. The use of Raman spectroscopy coupled with MCR-ALS allowed for the evaluation of the conversion rate of three different organic–inorganic copolymers, although it is difficult to determine the conversion of hybrid polymers, the use of chemometric methods and Raman spectroscopy allowed us to compare the conversion rate between the studied copolymers. [ABSTRACT FROM AUTHOR] more...
- Published
- 2015
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11. Controlled Thermolysis of Macromolecule-Metal Complexes as a Way for Synthesis of Nanocomposites.
- Author
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Pomogailo, Anatoly D. and Dzhardimalieva, Gulzhian I.
- Abstract
Metal-polymer nanocomposites, which comprise nanoparticles of metals and/or their oxides and carbides uniformly distributed in stabilizing polymer matrices, are obtained through solid-phase polymerization of metal-containing monomers followed by controlled thermolysis of synthesized metal-containing polymers. The composition, structure and properties of nanocomposites obtained were studied using the methods of X-ray diffraction, electron microscopy, IR spectroscopy and DSC-TGA thermal analysis. The main stages and kinetics peculiarities of thermal transformations of metal-containing monomers were estimated. It is shown that nanoparticles present in these systems have a characteristic core-shell structure that comprises a metal-containing core and a surface layer, i.e., a polymer shell. [ABSTRACT FROM AUTHOR] more...
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- 2012
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12. Problems of unit variability in metal-containing polymers.
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Pomogailo, A. and Dzhardimalieva, G.
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The main types of unit variability in metal-containing polymers, including those typical of traditional polymers and those peculiar only to polymers with metal-containing groups, are surveyed and classified. The methods for controlling unit variability and the possibility of taking it into account and using it for practical purposes are analyzed. The main problems in this field and the prospects for their solution are considered. [ABSTRACT FROM AUTHOR] more...
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- 1998
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13. Synthesis and reactivity of metal-containing monomers.
- Author
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Porollo, N., Aliev, Z., Dzhardimalieva, G., Ivleva, I., Uflyand, I., Pomogailo, A., and Ovanesyan, N.
- Abstract
Acid and neutral Co
II , CuII , NiII , ZnII , FeII , and Fept>III maleates, fumarates, and itaconates were obtained and characterized. The methods for their synthesis were optimized, and the valence state and coordination of metals were studied. Co II and FeII hydrogen maleates, CoII maleate, and CoII fumarate were examined by X-ray diffraction analysis. The ligands based on unsaturated dicarboxylic acids can be mono-, bi-, and tetradentate, which results in the formation of acid salts, chain and three-dimensional coordination polymers, whose double bond is not involved in the coordination. The strong antiferromagnetic exchange (μelf =1.41 and 0.34 μB at 290 and 80 K, respectively) was detected in CuII itaconate. Based on the data of Mössbauer spectroscopy, the partial reduction of FeIII to FeII during the synthesis of FeIII maleate was shown to occur: δFe=0.43 and 1.27 mm s−1 , Δ EQ =0.57 and 3.13 mm s−1 and Γ=0.37 and 0.28 mm s−1 at T=298 K for FeIII and FeII , respectively. [ABSTRACT FROM AUTHOR] more...- Published
- 1997
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14. Preparation and reactivity of metal-containing monomers.
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Pomogailo, A., Bravaya, N., Razumov, V., Voloshanovskii, I., Kitsenko, N., Berezovskii, V., Kuzaev, A., and Ivanchenko, A.
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The radical-induced copolymerization of meso-tetraphenylporphyrin monomers with the vinyl group in a benzene or pyrrole ring and their copper and zinc complexes with styrene and methyl methacrylate was studied. Porphyrin comonomers decrease the overall polymerization rate and the number-average molecular weight of the products formed compared to the weight of polystyrene obtained under similar conditions. The main reasons for termination of chain growth by vinylporphyrins were revealed, and some quantitative parameters of these reactions were obtained. IR and electronic absorption spectra of porphyrin-containing copolymers are discussed. According to the ESR spectra, the copper-containing centers in the copolymers are fairly remote from each other, and the metal-containing polymeric systems are magnetically dilute. [ABSTRACT FROM AUTHOR] more...
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- 1996
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15. Preparation and reactivity of metal-containing monomers.
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Pomogailo, A. and Golubeva, N.
- Abstract
Homo- and copolymerization of vanadium-containing monomers (VCM) have been studied. Radical homopolymerization of VCM is accompanied by some side reactions, such as monomer disproportionation, copolymerization with ligand in situ, cyclopolymerization, V→V reduction, etc. These reactions complicate the interpretation of the results obtained. The character of radical copolymerization of VCM with styrene or acrylonitrile is preferably radical complex. Catalytic properties of vanadium-containing homo- and copolymers (in combination with organoaluminum compounds as cocatalysts) in Ziegler-Natta ethylene polymerization have been studied. It has been shown that the products inherit the properties of immobilized polymer catalysts. [ABSTRACT FROM AUTHOR] more...
- Published
- 1994
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16. Preparation and reactivity of metal-containing monomers.
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Movchan, T., Solov'eva, N., Petrova, L., Voloshanovskii, I., Belov, G., and Pomogailo, A.
- Abstract
The thermal decomposition of Cu, Co, Ni, Mn, Fe, and Cr methacryloylacetonates has been compared with the thermal behavior of the corresponding acetylacetonates and poly (methacryioylacetonates). Dehydration and thermal polymerization of methacryioylacetonates occur at 110-160 °C. The results of the thermolysis conform with the Irving-Williams sequence for the stability of the complexes of bivalent transition metals. Thermal destruction of metallopolymers differs from that of low-molecular analogs. The temperature of complete decomposition of the compounds studied correlates with the number of electrons in the d-orbital of the metal. [ABSTRACT FROM AUTHOR] more...
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- 1994
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17. Preparation and reactivity of metal-containing monomers.
- Author
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Movchan, T., Voloshanovskii, I., and Pomogailo, A.
- Abstract
Polymethacryloylacetonates of some transition metals were obtained by free-radical polymerization of the corresponding metal-containing monomers and the main regularities of the process were studied. The complexation with a metal ion decreased the reactivity of the methacryloylacetone towards polymerization in the series Mn > Co > Ni > Cr, which is analogous to the electronegativity of these metals. Macrochelates thus obtained contain one equivalent of metal per monomer unit and their molecular weights are within 10000-18200. The structure of the coordination site was shown to be retained in the course of polymerization. [ABSTRACT FROM AUTHOR] more...
- Published
- 1993
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18. Synthesis and reactivity of metal-containing monomers.
- Author
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Selenova, B., Dzhardimalieva, G., Tsikalova, M., Kurmaz, S., Roshchupkin, V., Levitin, I., Pomogailo, A., and Vol'pin, M.
- Abstract
The polymerization of diacrylates of the nontransition metals Mg, Zn, Ba, and Pb, which proceeds at low temperatures (5-10°C) with the complexes of alkylcobalts with tridentate Shiff bases (RCo) as initiators, was studied. The radical mechanism of the process was proved with the aid of free radical scavengers. The polymerization kinetics is given by the equation W = k [M] · [RCo]. The influence of the nature of the metal in the monomer and the alkyl ligand in the initiator on the polymerization process was discussed. Low temperatures promote the formation of polymers with high molecular weights and a predominantly syndiotactic structure. The effect of the steric hindrances arising during polymerization due to the formation of a three-dimensional cross-linked structure in the metal-containing polymer on the microstructure of polymer chain and on polymerization kinetics was considered. [ABSTRACT FROM AUTHOR] more...
- Published
- 1993
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19. Preparation and reactivity of metal-containing monomers.
- Author
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Starikov, A., Dzhardimalieva, G., Uflyand, I., Goncharov, T., and Pomogailo, A.
- Abstract
Metal-containing monomers based on vinyl derivatives of heterocycles (4-vinylpyridine, 3,5-dimethyl-1-vinylpyrazole, 2-methyl-5-vinyltetrazole) and NiCl, CoCl, CrCl have been prepared and characterized by chemical analysis, IR and electron spectroscopy. By means of spectral methods, the complex formation has been shown to involve N atom of the heterocycle, while the exocyclic C = C bond does not participate in the process. The structure of polyhedrons formed has been characterized both in the solid state and in methanol or DMF. The comparison of splitting parameters for different symmetries indicates that in passing from five-membered to six-membered vinylheterocycles, the strength of the ligand field is greatly enhanced. [ABSTRACT FROM AUTHOR] more...
- Published
- 1993
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20. Synthesis and reactivity of metal-containing monomers. 20. Photochemical structurization of gelatin mixtures with the participation of transition metal acrylates.
- Author
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Botsman, A., Fedorova, L., Vasil'chenko, A., Dzhardimalieva, G., and Pomogailo, A.
- Abstract
The structurization activity of cobalt, nickel, and copper acrylates in gelatin layers under the influence of monochromatic laser radiation with a wavelength of 633 nm has been studied. It has been established with the aid of IR and electronic spectroscopy that the complexation of the acrylate salts of Co(II), Ni(II), and Cu(II) with gelatin is accomplished by means of the OH groups of the hydroxyproline residues. It has been shown that the photosensitivity and density of the photographic layers are determined by the nature of the transition metal and increase along the series Co(II) < Ni(II) < Cu(II). Thin phase holograms with a diffraction efficiency (η) equal to 33% have been obtained. [ABSTRACT FROM AUTHOR] more...
- Published
- 1992
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21. Novel Self-Healing Metallocopolymers with Pendent 4-Phenyl-2,2′:6′,2″-terpyridine Ligand: Kinetic Studies and Mechanical Properties.
- Author
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Baimuratova, Rose K., Dzhardimalieva, Gulzhian I., Vaganov, Evgeniy V., Lesnichaya, Valentina A., Kugabaeva, Gulsara D., Kydralieva, Kamila A., Zhinzhilo, Vladimir A., and Uflyand, Igor E.
- Subjects
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ACRYLIC acid , *HYDROGELS , *STACKING interactions , *MONOMERS , *MOIETIES (Chemistry) , *FREE radicals - Abstract
We report here our successful attempt to obtain self-healing supramolecular hydrogels with new metal-containing monomers (MCMs) with pendent 4-phenyl-2,2′:6′,2″-terpyridine metal complexes as reversible moieties by free radical copolymerization of MCMs with vinyl monomers, such as acrylic acid and acrylamide. The resulting metal-polymer hydrogels demonstrate a developed system of hydrogen, coordination and electron-complementary π–π stacking interactions, which play a critical role in achieving self-healing. Kinetic data show that the addition of a third metal-containing comonomer to the system decreases the initial polymerization rate, which is due to the specific effect of the metal group located in close proximity of the active center on the growth of radicals. [ABSTRACT FROM AUTHOR] more...
- Published
- 2021
- Full Text
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22. Synthesis and reactivity of metal-containing monomers 64. Synthesis, structure, polymerization, and catalytic properties of the palladium and cobalt vinylporphyrin complexes
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Berezovskii, V. V., Wöhrle, D., Tsaryova, O., Makarov, S. G., Pomogailo, S. I., Glagolev, N. N., Zhilina, Z. I., Voloshanovskii, I. S., Roshchupkin, V. P., and Pomogailo, A. D.
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- 2007
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23. Polymer Supported Catalysts Obtained from Metal-Containing Monomers
- Author
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Piero Mastrorilli, Giuseppe Romanazzi, and Maria Michela Dell’ Anna
- Subjects
chemistry.chemical_classification ,Supported metal catalysts ,Metal-containing monomers ,Organic Chemistry ,Molecularly imprinted polymer ,Polymer ,Microporous material ,ROMP ,Catalysis ,chemistry.chemical_compound ,Monomer ,Porous polymers ,chemistry ,Ring-opening metathesis polymerisation ,Organic chemistry ,Reusability - Abstract
This review summarizes the progress made in the last eight years on the synthesis and use in catalysis of polymer supported metal complexes obtained by co-polymerization of metal-containing monomers (MCMs) with suitable co-monomers and cross-linkers. These materials are divided into four important classes: microporous organic polymers, molecularly imprinted polymers (MIPs), macro- pouros organic polymers, polymers obtained by ring opening metathesis polymerization (ROMP). Although the MIPs have essentially a macroporous structure, they constitute a separate group of catalysts for their peculiar way of synthesis. The discussion focuses on the ef- ficiency and reusability of all these potentially recoverable catalysts. more...
- Published
- 2013
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